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Technical Blogs

diagnosing a server crash

Using logs to easily diagnose a server crash

Reasons for a server crash Java can crash in several ways and for several reasons. Sometimes it’s not easy to diagnose a server crash. For example, Your JVM may still be operational, but you cannot process requests anymore. Part of your application breaks … Read More

finding hidden errors, hidden exceptions

Finding hidden exceptions in your application

What are hidden errors and why do you need to find them? Hidden exceptions can occur by design. For example, adding a try-catch block into your code is an easy way to prevent errors from displaying to your users and … Read More

what are logs

What are logs and why do I need to monitor them?

What are logs, and why do I need to monitor them? Let’s start by clarifying the basics. Logs are recordings of events that have taken place while an application runs. Some are automatically created, and some are explicitly developed – … Read More

what is log alerting

What is log alerting?

Log alerting Log alerting allows you to set rules based on any log that is ingested either by an external log agent or the FusionReactor agent. It is relatively simple to set up query-based alerts in LogQL. You can utilize … Read More

obfuscation in logs

Obfuscation added to log monitoring

Obfuscation in logs is now in beta Passwords, credit card information, and API keys are automatically obfuscated in logs sent from FR. However, should you have switched obfuscation in logs off in the UI, then you may need to manually … Read More

FusionReactor 8.x Release Notes

FusionReactor 8.x Release Notes … Read More

why monitor a monolithic server?

Why monitor a monolithic server

Why monitor a monolithic server? It is quite challenging to improve the performance of a monolithic server application. Change is difficult when things are tightly coupled. Unlike microservices, where things are more likely to be managed by development teams. However, … Read More

APM; What’s new in Application Performance Monitoring?

APM – Whats new in Application Performance monitoring

What is an APM (Application Performance Monitor) Application Performance Monitors (APMs) help developers and DevOps professionals improve the performance of an application and identify errors and exceptions in the code. So, the APM identifies and diagnoses complex application performance problems … Read More

Log4j vulnerability Important information for ColdFusion, Lucee, and Java users

Log4j vulnerability Important information for ColdFusion, Lucee, and Java users 

Log4j CVE-2021-44228 and CVE-2021-45046 Log4 Shell vulnerability Important information for ColdFusion, Lucee, and Java users  Updated December 16, 2021 Does FusionReactor need updating to fix the vulnerability? The FusionReactor agent does not depend on or utilize Log4j, so is not … Read More

VueJS 101 for CFML Devs

VueJS 101 for CFML Devs

VueJS 101 for CFML Devs I’ve been stumbling across a fair few developers recently who like the idea of using VueJS, but are not sure how to get started. VueJS can be used to build whole applications, but sometimes the … Read More